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EW-18
Service & Repair Manual

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Summary of Contents for ewheels EW-18

  • Page 1 EW-18 Service & Repair Manual...
  • Page 2 www.ewheelsdealers.com (888) 571-2845 - Service (888) 305-0881 - Sales CAUTION - To reduce the risk of fire or Electrical Shock, DO NOT expose this unit to any rain or moisture. Table Of Contents Specification’s………. Alignment Procedure………. Diagnosing Common Problem’s……… Scooter Not Moving………. No Power, Not Turning On……….
  • Page 3 Specifications Front Tire Size – 16”x 2.5” Rear Tire Size – 4”x 2” Tire P.S.I – 25 to 35 Weight Capacity - 300 Lbs. Top Speed - 15 mph Estimated Range - 20 miles Max Climbing Angle - 10⁰ Turning Radius - 22” Basket Dimensions - 9”x9”x11”...
  • Page 4 Diagnosing Common Problem’s Not Moving? You would want to start by checking the brake sensor. Make sure the hand brake in fully released and the emergency brake is not locked in. If still nothing, then you will need to look at the connections under the cover in the middle.
  • Page 5 Alignment Procedure You are going to want to untwist the plastic knob until the metal part is loose enough to fold the handlebars down. You are going to want to use the 6mm Allan wrench to loosen the middle bolt enough to turn the handlebars without turning the front wheel.
  • Page 6 Testing For No Power You want to set the multi meter to DC-100, put it on the prongs as shown in the photo. It should be admitting 12Volts or higher if charged (Max 38-40Volts). Making sure all the connections at the headset are connected and don’t look pulled out.
  • Page 7 Loose Brakes or Parking Brake Not Holding Making sure you have your parking fully released. There are 2 parts the arrows are pointing to where you can make some minimal adjustments to loosen or tighten the brake tension. There is going to be this 10mm nut at the end of the wire where you can tighten or loosen the brakes to your standards.
  • Page 8 Changing Tires & Tubes Make sure the Tires are DEFLATED before removing anything. Its going to be a 22mm socket and rachet that will be used to take of both rear wheels when changing the tubes. Mae sure to have a 5mm Allen wring or socket as shown in photo to split the rim.
  • Page 9 There is a 5mm Allen wrench bolt that helps hold the brake housing on that you need to remove as well. Removing the brake cable just loosen the bolt and pull cable through, watch the spring as it may get lost. Testing The Motor Start by testing the resistance at the motor phase lines using all color combinations.
  • Page 10 Throttle Testing The throttle responds via a hall effect positioning sensor. The connection that you are going to need to get to is going to be under the battery cover, by the controller as shown below. The sensor increases its output voltage the more the throttle is pulled. To test this sensor, start by turning the scooter on.
  • Page 11 Parts Removal You will need a Philips head screwdriver and 5mm Allen wrenches/socket. Removing these screws below will get you access to the batteries, controller and all the connections (Important stuff).
  • Page 12 Remove all Philip screws to take the floorboard off. We will be removing the handlebars from the front forks also, so you are able to take the front forks off as well. Fold the handlebars down and get a 6mm Allen wrench to loosen the bolt underneath.
  • Page 13 After loosening the bolt, you are going to want to remove the big nut that is holding the forks in place. Once you have removed the nut you will want to be careful pulling up the frame as the bearings might fall out. To remove the front portion of the frame you will need a 14mm socket or wrench...